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本文在有限元建模和边界元法求解的上，思路给出了平面机械结构的可靠性随机边界元法及一般求解过程，提出了新的强度类极限准则，并结合自行研制的ＢＥＣＳ可靠性边界元计算软件，给出了实用算例和讨论。研究成果具有较高的实用价值和参考意义。
In this paper, the finite element modeling and boundary element method to solve the ideas given in the plane mechanical reliability of the stochastic boundary element method and the general solution process, a new strength class limit criteria, combined with self-developed BECS reliability Boundary element calculation software, gives practical examples and discussions. The research results have high practical value and reference significance.